Question 582267
{{{(4x^2y^-3z^3)^2=4^2(x^2)^2(y^-3)^2(z^3)^2=16x^(2*2)y^(-3*2)z^(3*2)=16x^4y^(-6)z^6}}}, or {{{16x^4z^6/y^6}}} if you don't want negative exponents.